[PATCH v1 4/5] KVM: s390: vsie: Move conditional reschedule

David Hildenbrand
2020-04-02T18:48:18Z

Let's move it to the outer loop, in case we ever run again into long
loops, trying to map the prefix. While at it, convert it to cond_resched().

Signed-off-by: David Hildenbrand <david@redhat.com>
---
arch/s390/kvm/vsie.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 4f6c22d72072..ef05b4e167fb 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -1000,8 +1000,6 @@ static int do_vsie_run(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)

handle_last_fault(vcpu, vsie_page);

- if (need_resched())
- schedule();
if (test_cpu_flag(CIF_MCCK_PENDING))
s390_handle_mcck();

@@ -1185,6 +1183,7 @@ static int vsie_run(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
kvm_s390_vcpu_has_irq(vcpu, 0) ||
kvm_s390_vcpu_sie_inhibited(vcpu))
break;
+ cond_resched();
}

if (rc == -EFAULT) {
--
2.25.1